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. , . 129-131.

1.


1

,
I.
1. y = xn, n Î N ]-¥; + ¥[ n ]-¥; +¥[; n [0; +¥[ n ; n n ]-¥; +¥[ ( ); n ]-¥; 0], [0; +¥[ -
2. y = x-n, n Î N ]-¥; 0[È È]0; +¥[ n ]-¥; 0[È È]0; +¥[; n ]0; +¥[ n ]-¥; 0[, ]0; +¥[; n ]-¥; 0[, ]0; +¥[

 

3. , n Î N, n > 1 n ]-¥; +¥[; n [0; +¥[ n ]-¥; +¥[; n [0; +¥[ n ; n n; n [0; +¥[  
II. ()
4. y = ax, a > 0, a ¹ 1 ]-¥; + ¥[ ]0; + ¥[ a > 1 , a < 1 ]-¥; +¥[ ( ) -
III.
5. y = logax, a > 0, a ¹ 1 ]0; + ¥[ ]-¥; + ¥[ a > 1 , a < 1 ]0; +¥[ ( ) -

 

IV.
6. y = cos x ]-¥; + ¥[ [-1; + 1] [-p + 2pn; 2pn], [2pn; p + 2pn], n Î Z 2p
7. y = sin x [-p/2 + 2pn; p/2 + 2pn], [p/2 + 2pn; 3p/2 + 2pn], n Î Z
8. y = tg x ]-p/2 + pn; p/2 + pn[, n Î Z ]-¥; + ¥[ p
9. y = ctg x ]pn; p + pn[, n Î Z
V.
10. y = = arcsin x [-1; 1] [-p/2; p/2] -
11. y = =arccos x [0; p]

 

12. y = = arctg x ]-¥; + ¥[ ]-p/2; p/2[  
13. y = = arcctg x ]0; p[

 

, (, , ) .

, y = 2 + lg sin , . = ||.


[1] , , ( ). . , , (, Ö2).

 

[2] , , -, , , .. (a; b). (a; b), . , , , , .

[3] "" , 2p;
= sin 2pn, n Î Z.

 





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